- for foundation in a slope or ground pit
- vestibule depth 100cm
- for fitting double doors, external and internal
- monolithic robust construction of the cellar chambers
- retaining wall in the upper part in the shape of an arch or square sized 245 cm x 245 cm
- addition of a staircase to the cellar to be founded at -125 cm or -175 cm
- foundation of the cellar under the building, driveway for cars, terrace, gazebo
- electrical installation with accessories
- ventilation system with accessories
- interior design options and door deliveries
- individual customization
